diff --git a/src/router/index.js b/src/router/index.js
index 319c3bc..54c0021 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -43,7 +43,7 @@ const routes = [
 
 const router = new VueRouter({
   mode: 'history',
-  base: process.env.BASE_URL,
+  base: process.env.BASE_URL ?? '/',
   routes
 })